*'''1887--'''San Juan County was created 24 February 1887 from [[Rio Arriba County, New Mexico|Rio Arriba]] County.&nbsp; '''County seat:''' Aztec <ref name="Handybook">''The Handybook for Genealogists: United States of America'',10th ed. (Draper, UT:Everton Publishers, 2002).</ref>

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*Up until '''1821''' -&nbsp; [[New Spain]] controlled land that later would become New Mexico and Arizona. Some records of early settlers may have been sent to an [http://www.mcu.es/archivos/MC/AGI/index.html archives] in Seville, Spain, or to [[Mexico Archives and Libraries|archives]] in Mexico City. <br>

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*From 1821 until '''1846''' -&nbsp;[[Mexico]] had jurisdiction over the land that later would become New Mexico and Arizona. Some records of this period may have been sent to [[Mexico Archives and Libraries|archives]] in Mexico City. Starting in 1846 United States forces occupied New Mexico during the {{wpd|Mexican-American War}}. <br>

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*'''1848''' -&nbsp; Land that became San Juan County formally became a part of the United States when the Mexican-American War ended with ratification of the {{wpd|Treaty of Guadalupe Hidalgo}}.<br>

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*'''1887--'''San Juan County was created 24 February 1887 from [[Rio Arriba County, New Mexico|Rio Arriba]] County.<ref name="HBG" />

==== Boundary Changes ====

==== Boundary Changes ====

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See also [[Previous Jurisdictions to land in Arizona]] for further details.

County Courthouse

County Clerk has marriage and land records from 1887and probate records from 1899; Clerk District Court has divorceand court records[1]

History

Parent County

Up until 1821 - New Spain controlled land that later would become New Mexico and Arizona. Some records of early settlers may have been sent to an archives in Seville, Spain, or to archives in Mexico City.

From 1821 until 1846 - Mexico had jurisdiction over the land that later would become New Mexico and Arizona. Some records of this period may have been sent to archives in Mexico City. Starting in 1846 United States forces occupied New Mexico during the Mexican-American War.

1848 - Land that became San Juan County formally became a part of the United States when the Mexican-American War ended with ratification of the Treaty of Guadalupe Hidalgo.

1887--San Juan County was created 24 February 1887 from Rio Arriba County.[1]